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Finding the Fourth Proportional to 119,700.62, 165,185.07 and 65,984.48

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Solution

The fourth proportional to 119,700.62, 165,185.07 and 65,984.48 is: 91,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,700.62 : 165,185.07 = 65,984.48 : x
  2. Step 2: Convert to fraction form
    119,700.62/165,185.07 = 65,984.48/x
  3. Step 3: Cross multiply
    119,700.62x = 165,185.07 × 65,984.48
  4. Step 4: Simplify right side
    119,700.62x = 10,899,650,493.79
  5. Step 5: Solve for x
    x = 10,899,650,493.79/119,700.62
  6. Step 6: Final answer
    x = 91,057.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.